<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <script src="./class.js"></script>
    <title>Document</title>
  </head>
  <body>
    <div id="root"></div>
    <script>
      class Hello {
        render() {
          return React.createElement("div", null, `Hello World 111`);
        }
      }

      const helloWorld = React.createElement(Hello, null, null);
      ReactDOM.render(helloWorld, document.getElementById("root"));
    </script>
  </body>
</html>
